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LinkedIn Learning

Learning JavaScript Debugging

via LinkedIn Learning

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Overview

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Discover how to work with a debugger to efficiently locate and resolve issues in your JavaScript projects.

Syllabus

Introduction
  • Welcome
  • What you should know
  • Exercise files
  • What's new in this update
  • Using challenges
1. Understanding the Need for a Debugger
  • Introducing our friend, the debugger
  • Important jargon and concepts
  • Debuggers in web browsers
  • The importance of a good editor and IDE
  • Why debugging AJAX can be tricky
2. Debugger Basics
  • Debugging without a debugger
  • Leverage more of the Console API
  • Stop and look around: Simple breakpoints
  • Explore other breakpoint options
  • Challenge: Knowing when to stop
  • Solution: Knowing when to stop
  • Step into, over, and out of functions
  • Find out where you are using the call stack
  • Monitor variables with watches
  • Source maps to debug minified files
  • Challenge: Putting it all together
  • Solution: Putting it all together
3. Debugging in Practice
  • Debugging the use of a jQuery plugin
  • Debugging a React application in Chrome
  • Debugging on iOS using Simulator
  • Remote debugging on an Android device
  • Challenge: Other people's code
  • Solution: Other people's code
  • Debugging a Node.js application in WebStorm
  • Setting up the WordPress example
  • Challenge: Debugging with an IDE
  • Solution: Debugging with an IDE
  • Debug a WordPress theme in Visual Studio Code
  • Use a debugger as a learning tool on a live site
Conclusion
  • Next steps
  • Extra JavaScript resources

Taught by

Joe Chellman

Reviews

4.6 rating at LinkedIn Learning based on 178 ratings

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